Problem

Repeat Problem, using the following storm sequence:  Time unitsHo34 Precipitation (in.)0....

Repeat Problem, using the following storm sequence:

 

Time units

H

o

3

4

 

Precipitation (in.)

0.5

1.1

1.8

0.8

Problem:

Given a unit rainfall duration of 1 lime unit, an effective precipitation of 1.5 in., and the following hydrograph and storm sequence determine

(a) the unit hydrograph and


(b) the hydrograph for the given storm sequence.

Storm Sequence

Time units

1

2

3

4

Precipitation (in.)

0.4

1.1

1.8

0.9

Hydrograph

Time units

 1

2

3

4

4.5

5

6

Flow (cfs)

 101

96

218

512

610

580

460

Time units

 7

8

9

10

11

12

13

Flow (cfs)

 320

200

180

100

86

60

50

Step-by-Step Solution

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Solutions For Problems in Chapter 7